import router from './router'
import store from './store'
// import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
// import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

import localForage from 'localforage'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login', '/register', '/web'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
  // start progress bar

  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = await localForage.getItem('curUser')

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done() // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
    } else {
      const roles = [await localForage.getItem('curRole')]
      const allAccount = await localForage.getItem('allAccount')
      const curUser = allAccount.find(item => item.username === hasToken)
      store.dispatch('user/getInfo', curUser)
      next()
      // const
      const accessRoutes = await store.dispatch('permission/generateRoutes', roles)
      router.addRoutes(accessRoutes)
      // determine whether the user has obtained his permission roles through getInfo
      //   const hasRoles = store.getters.roles && store.getters.roles.length > 0
      //   if (hasRoles) {
      //     next()
      //   } else {
      //     try {
      //       // get user info
      //       // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
      //     //   const { roles } = await store.dispatch('user/getInfo')

      //     const roles = "admin"
      //       // generate accessible routes map based on roles
      //       const accessRoutes = await store.dispatch('permission/generateRoutes', roles)

      //       // dynamically add accessible routes
      //       router.addRoutes(accessRoutes)

      //       // hack method to ensure that addRoutes is complete
      //       // set the replace: true, so the navigation will not leave a history record
      //       next({ ...to, replace: true })
      //     } catch (error) {
      //       // remove token and go to login page to re-login
      //     //   await store.dispatch('user/resetToken')
      //       Message.error(error || 'Has Error')
      //       next(`/login`)
      //       NProgress.done()
      //     }
      //   }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
